Module: Downslope Distance Gradient
(c) 2006 by O.Conrad
Menu: Terrain Analysis > Morphometry
Description
Calculation of a new topographic index to quantify downslope controls on local drainage.

References:
- Hjerdt, K.N., McDonnell, J.J., Seibert, J. Rodhe, A. (2004): 'A new topographic index to quantify downslope controls on local drainage', Water Resources Research, 40


Parameters
NameTypeIdentifierDescriptionConstraints
Input
Elevation Grid (input)DEM
Output
GradientGrid (output)GRADIENT
Gradient Difference (*)Grid (optional output)DIFFERENCEDifference to local gradient.
Options
Vertical DistanceFloating pointDISTANCEMinimum: 0.000000
OutputChoiceOUTPUTAvailable Choices:
[0] distance
[1] gradient (tangens)
[2] gradient (degree)
(*) optional